<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="author" content="VectorX">
    <meta name="keywords" content="径向渐变">
    <title>径向渐变</title>
    <style>
        .box1 {
            width: 200px;
            height: 200px;
            /* 径向渐变 */
            background-image: repeating-radial-gradient(circle at 50px 100px, red 50px, yellow 100px);
        }
    </style>
</head>

<body>
    <div class="box1"></div>
</body>

</html>